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    • 10. 发明申请
    • Reactive Silicone Composition, Reactive Thermoplastic Article, Cured Product, And Optical Semiconductor Device
    • 活性硅酮组合物,活性热塑性制品,固化产品和光学半导体器件
    • US20150183960A1
    • 2015-07-02
    • US14407093
    • 2013-06-18
    • Dow Corning Toray Co., Ltd.
    • Ryosuke YamazakiHaruna YamazakiMakoto Yoshitake
    • C08K7/18H01L33/60C08K3/22C08K7/14C08K3/36
    • C08K7/18C08G77/12C08G77/20C08G77/80C08K3/22C08K3/36C08K7/14C08K2003/2241C08L83/04H01L33/486H01L33/60H01L2924/0002H01L2933/0033H01L2924/00
    • The present invention relates to a reactive silicone composition comprising: (A) an alkenyl group-containing organopolysiloxane represented by the average unit formula; (B) an alkenyl group-containing organopolysiloxane represented by the general formula; (C) a silicon atom-bonded hydrogen atom-containing organopolysiloxane represented by the general formula; (D) a hydrosilylation reaction catalyst; (E) a white pigment; and (F) non-spherical silica, spherical silica or glass fibers, a reactive thermoplastic article obtained by the composition to reaction under specified conditions, a cured product obtained by heating the article, and an optical semiconductor device having the cured product. The reactive silicone composition is a solid at an ordinary temperature and gives a reactive thermoplastic article that is fluidized at elevated temperatures. The reactive thermoplastic article is once fluidized upon heating and then gives a cured product. The cured product exhibits little reduction in mechanical strength or discoloration caused by heat or light and has high light reflectance. And the optical semiconductor device exhibits high luminous efficiency and causes little thermal degradation or photodegradation of a light reflection material.
    • 本发明涉及一种反应性有机硅组合物,其包含:(A)由平均单元式表示的含烯基的有机基聚硅氧烷; (B)由通式表示的含烯基的有机聚硅氧烷; (C)由通式表示的与硅原子键合的含氢原子的有机聚硅氧烷; (D)氢化硅烷化反应催化剂; (E)白色颜料; 和(F)非球形二氧化硅,球形二氧化硅或玻璃纤维,通过组合物在特定条件下反应获得的反应性热塑性制品,通过加热制品获得的固化产物和具有固化产物的光学半导体装置。 反应性硅氧烷组合物在常温下为固体,得到在升高的温度下流化的活性热塑性制品。 反应性热塑性制品在加热后一度流化,然后得到固化产物。 固化产物的机械强度或由热或光引起的变色几乎不降低并且具有高的光反射率。 并且光学半导体器件表现出高的发光效率,并且导致光反射材料的热降解或光降解很少。